Added support for node property of technique parameters. This got directional and point lights to work correctly. Spot lights are still not quite correct.
Added support for node property of technique parameters. This got directional and point lights to work correctly. Spot lights are still not quite correct.

denverpierce/cesium,omh1280/cesium,CesiumGS/cesium,hodbauer/cesium,ggetz/cesium,jason-crow/cesium,soceur/cesium,aelatgt/cesium,kaktus40/cesium,kaktus40/cesium,omh1280/cesium,jason-crow/cesium,wallw-bits/cesium,esraerik/cesium,esraerik/cesium,jason-crow/cesium,AnalyticalGraphicsInc/cesium,jasonbeverage/cesium,hodbauer/cesium,NaderCHASER/cesium,kiselev-dv/cesium,emackey/cesium,ggetz/cesium,denverpierce/cesium,CesiumGS/cesium,CesiumGS/cesium,aelatgt/cesium,geoscan/cesium,NaderCHASER/cesium,ggetz/cesium,emackey/cesium,likangning93/cesium,progsung/cesium,oterral/cesium,YonatanKra/cesium,oterral/cesium,YonatanKra/cesium,CesiumGS/cesium,josh-bernstein/cesium,likangning93/cesium,jason-crow/cesium,YonatanKra/cesium,emackey/cesium,AnimatedRNG/cesium,josh-bernstein/cesium,AnimatedRNG/cesium,soceur/cesium,emackey/cesium,NaderCHASER/cesium,AnalyticalGraphicsInc/cesium,denverpierce/cesium,oterral/cesium,AnimatedRNG/cesium,progsung/cesium,likangning93/cesium,hodbauer/cesium,ggetz/cesium,aelatgt/cesium,wallw-bits/cesium,AnimatedRNG/cesium,omh1280/cesium,CesiumGS/cesium,geoscan/cesium,aelatgt/cesium,esraerik/cesium,wallw-bits/cesium,likangning93/cesium,kiselev-dv/cesium,soceur/cesium,wallw-bits/cesium,esraerik/cesium,denverpierce/cesium,jasonbeverage/cesium,kiselev-dv/cesium,kiselev-dv/cesium,YonatanKra/cesium,omh1280/cesium,likangning93/cesium